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BVS


Course: Vibrational Spectroscopy

Department/Abbreviation: KBF/BVS

Year: 2019

Guarantee: 'doc. RNDr. Karolína Machalová Šišková, Ph.D.'

Annotation: Purpose of this course is an introduction to selected fields of vibration spectroscopy - from the origin of molecular spectra to theoretical computing. The main goal is the interpretation of vibrational spectra which can be used in the framework of Bc, Diploma and PhD Theses.

Course review:
Origin of molecular spectra, IR spectra and Raman scattering. Vibration of diatomic molecules. Normal coordinates and normal vibrations. Symmetry elements and point groups. Symmetry of normal vibrations and selection rules. Introduction to group theory. The number of normal vibrations for each species. Internal coordinates. Selection rules for IR and Raman spectra. Principle of the GF matrix method. Utilization of symmetry properties. Potential fields and force constants. Solution of the Secular equation. Vibrational frequencies of isotopic molecules. Intensity of IR absorption. Depolarization of Raman lines. Intensity of Raman scattering. Principle of resonant Raman scattering. Principle of surface enhanced Raman scattering. Theoretical calculation of vibrational frequencies. Vibrational analysis of crystals. Lattice vibrations. IR spectrometers and Raman spectrometers. Micro spectroscopy. Interpretation of infrared absorption and Raman scattering spectra.